Re: High compression head choice.
Harpkatt, Your Winfield should give you good performance with no problems, just limit the spark advance because the higher compression will burn quicker than stock. If it is aluminum, it is a repro. I ran a Cyclone 7.5:1 crows-foot for many years and many miles with no problems. It is very similar to the Winfield crows-foot head. read my post above.
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